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java.lang.Object
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+--javax.crypto.Cipher
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+--javax.crypto.NullCipher
The NullCipher class is a class that provides an "identity cipher" -- one that does not transform the plaintext. As a consequence, the ciphertext is identical to the plaintext. All initialisation methods do nothing, while the blocksize is set to 1 byte.
| Field Summary | |
static java.lang.String |
ident
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| Fields inherited from class javax.crypto.Cipher |
DECRYPT_MODE,
ENCRYPT_MODE,
ident |
| Constructor Summary | |
NullCipher()
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| Methods inherited from class javax.crypto.Cipher |
doFinal,
doFinal,
doFinal,
doFinal,
doFinal,
doFinal,
getAlgorithm,
getBlockSize,
getInstance,
getInstance,
getIV,
getOutputSize,
getParameters,
getProvider,
init,
init,
init,
init,
init,
init,
update,
update,
update,
update |
| Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
| Field Detail |
public static final java.lang.String ident
| Constructor Detail |
public NullCipher()
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